#D1030. Multisect
Multisect
Multisect
Example
Input
1 10 2 1 1 1
Output
2.0
inputFormat
Input
1 10 2 1 1 1
outputFormat
Output
2.0
样例
1 10 2
1 1 12.0
Example
Input
1 10 2 1 1 1
Output
2.0
Input
1 10 2 1 1 1
Output
2.0
1 10 2
1 1 12.0